diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c3dd1b2..2816e52 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,7 +26,7 @@ jobs:
     - name: Install Dependencies
       run: |
         python -m pip install -U pip
-        python -m pip install -U autopep8
+        python -m pip install -U pycodestyle==2.10.0 autopep8
         python -m pip install -U -r test/pip_reqs.txt
     - name: Apply AutoPEP8
       run: |